factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009042340945 418 digits created 2026-08-03

Value

7442879738057798404637797058488043388933743285033270022676574772226258703343342114371177031880112218383990570483323952887857932292527062736036537456047485805967165965299201012491920520262497524460254203777510824024679543920283271320599759552500932603792652411660648681609460016890848577781550206666005536431608604056219452629268722011309328728458002545813665563308110623862657956476292273754480840009756202316044546733
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 1,318-digit prime (114 intermediate primes).

Certified number1,318-digit prime
Certificatedownload
Certificate chainshow step 83 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042340945 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009042340945},"decimal":true,"detail":2}}'